<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">   
 <html>   
 <head>   
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">    
 </head>   
 <body>
<a href="http://localhost/start"><button>start</button></a>
 </body>   
 </html>  